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Finding the Fourth Proportional to 562,083.77, 775,693.97 and 307,434.96

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Solution

The fourth proportional to 562,083.77, 775,693.97 and 307,434.96 is: 424,270.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,083.77 : 775,693.97 = 307,434.96 : x
  2. Step 2: Convert to fraction form
    562,083.77/775,693.97 = 307,434.96/x
  3. Step 3: Cross multiply
    562,083.77x = 775,693.97 × 307,434.96
  4. Step 4: Simplify right side
    562,083.77x = 238,475,444,254.90
  5. Step 5: Solve for x
    x = 238,475,444,254.90/562,083.77
  6. Step 6: Final answer
    x = 424,270.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.